:root {
  --bg: #0a0e1a;
  --bg-surface: #111729;
  --fg: #e8e6e1;
  --fg-muted: #9a978f;
  --accent: #d4a853;
  --accent-glow: rgba(212, 168, 83, 0.15);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

.accent { color: var(--accent); }

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  padding: 4rem 6vw;
  gap: 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Hero visual: orbiting dots */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.orbit-ring {
  width: 320px;
  height: 320px;
  border: 1px solid rgba(212, 168, 83, 0.2);
  border-radius: 50%;
  position: relative;
  animation: spin 20s linear infinite;
}

.orbit-dot {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  position: absolute;
  box-shadow: 0 0 20px var(--accent-glow);
}

.dot-1 { top: -7px; left: 50%; transform: translateX(-50%); }
.dot-2 { bottom: 20%; right: -7px; }
.dot-3 { bottom: -7px; left: 30%; }

.orbit-center {
  position: absolute;
  width: 80px;
  height: 80px;
  background: var(--bg-surface);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Loop Section ---- */
.loop {
  padding: 8rem 6vw;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 4rem;
}

.loop-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.step {
  padding: 2rem;
  background: var(--bg-surface);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.3s;
}

.step:hover {
  border-color: var(--accent);
}

.step-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 1rem;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.step p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- Differentiators ---- */
.diff {
  padding: 8rem 6vw;
}

.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.diff-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.diff-text > p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.diff-list {
  list-style: none;
}

.diff-list li {
  padding: 0.75rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.95rem;
  color: var(--fg-muted);
}

.diff-list li strong {
  color: var(--fg);
}

/* Preference card */
.pref-card {
  background: var(--bg-surface);
  border-radius: 16px;
  padding: 2.5rem;
  border: 1px solid rgba(255,255,255,0.06);
}

.pref-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1.75rem;
  color: var(--accent);
}

.pref-bar {
  margin-bottom: 1.25rem;
  position: relative;
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  height: 36px;
  overflow: hidden;
}

.pref-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), rgba(212,168,83,0.3));
  border-radius: 6px;
}

.pref-tag {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--bg);
  white-space: nowrap;
}

/* ---- CTA Buttons ---- */
.btn-primary {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.1s;
}

.btn-primary:hover { opacity: 0.88; }
.btn-primary:active { transform: scale(0.98); }

.hero-actions {
  margin-top: 2.5rem;
}

.closing-actions {
  margin-top: 2.5rem;
}

/* ---- Closing ---- */
.closing {
  padding: 10rem 6vw 6rem;
  text-align: center;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- Footer ---- */
.site-footer {
  padding: 3rem 6vw;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 6rem 5vw 4rem;
  }

  .hero-visual {
    display: none;
  }

  .loop-steps {
    grid-template-columns: 1fr 1fr;
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .loop-steps {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 5rem 6vw 3rem;
  }

  .loop, .diff {
    padding: 5rem 6vw;
  }

  .closing {
    padding: 6rem 6vw 4rem;
  }
}